13306540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 30623040

約数和(自身を除く): 17316500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 839, 1220, 1586, 1678, 3172, 3356, 3965, 4195, 7930, 8390, 10907, 15860, 16780, 21814, 43628, 51179, 54535, 102358, 109070, 204716, 218140, 255895, 511790, 665327, 1023580, 1330654, 2661308, 3326635, 6653270, 13306540]

約数ペア:

[(1, 13306540), (2, 6653270), (4, 3326635), (5, 2661308), (10, 1330654), (13, 1023580), (20, 665327), (26, 511790), (52, 255895), (61, 218140), (65, 204716), (122, 109070), (130, 102358), (244, 54535), (260, 51179), (305, 43628), (610, 21814), (793, 16780), (839, 15860), (1220, 10907), (1586, 8390), (1678, 7930), (3172, 4195), (3356, 3965)]